Home / 1,298,315.48-1,947,291.77-445,373.19

Finding the Fourth Proportional to 1,298,315.48, 1,947,291.77 and 445,373.19

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Solution

The fourth proportional to 1,298,315.48, 1,947,291.77 and 445,373.19 is: 667,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,315.48 : 1,947,291.77 = 445,373.19 : x
  2. Step 2: Convert to fraction form
    1,298,315.48/1,947,291.77 = 445,373.19/x
  3. Step 3: Cross multiply
    1,298,315.48x = 1,947,291.77 × 445,373.19
  4. Step 4: Simplify right side
    1,298,315.48x = 867,271,548,579.08
  5. Step 5: Solve for x
    x = 867,271,548,579.08/1,298,315.48
  6. Step 6: Final answer
    x = 667,997.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.